8-K: Century Aluminum Q3 2025 Earnings Soar on Premium Gains

Century Aluminum Company reported significantly improved third-quarter 2025 financial results, driven by higher realized Midwest premiums and a positive outlook for Q4.

Summary

• Net income attributable to Century stockholders was $14.9 million for Q3 2025, a $19.5 million increase sequentially from a $(4.6) million loss in Q2 2025.
• Diluted earnings per share attributable to Century stockholders were $0.15, up from $(0.05) in Q2 2025.
• Adjusted net income attributable to Century stockholders was $57.9 million, a $27.5 million sequential increase from $30.4 million in Q2 2025.
• Adjusted earnings per share attributable to Century stockholders were $0.56, up from $0.30 in Q2 2025.
• Adjusted EBITDA attributable to Century stockholders reached $101.1 million, an increase of $26.8 million from $74.3 million in Q2 2025.
• Net sales increased slightly to $632.2 million from $628.1 million in Q2 2025.
• Aluminum shipments decreased to 162,442 tonnes from 175,741 tonnes in Q2 2025.
• Liquidity position at September 30, 2025, was $488.2 million, including $151.4 million in cash and cash equivalents and $336.8 million in combined borrowing availability.

Sentiment

Score: 8

Explanation: The company demonstrated a strong turnaround in profitability from the previous quarter, moving from a net loss to a substantial profit. This was driven by favorable market conditions, particularly higher Midwest premiums, and strategic progress on the Mt. Holly power agreement. The positive outlook for Q4 2025 and the receipt of a significant 45X refund further enhance the positive sentiment, despite some exceptional items and cost pressures.

Positives

• Net income increased significantly from a loss of $(4.6) million in Q2 2025 to a profit of $14.9 million in Q3 2025.
• Adjusted net income saw strong growth, rising from $30.4 million in Q2 2025 to $57.9 million in Q3 2025.
• Adjusted EBITDA increased substantially to $101.1 million in Q3 2025 from $74.3 million in Q2 2025.
• Realized Midwest Premium was $1,425/MT in Q3 2025, representing a $575/MT increase from the prior quarter.
• Finalized the Mt. Holly power agreement through 2031, which is a critical step towards restarting idled capacity.
• Received a 2024 45X refund totaling $75 million in October.
• U.S. billet premiums are expected to increase by $110/MT for FY26 volumes.
• Provided a strong fourth-quarter 2025 Adjusted EBITDA outlook ranging between $170 to $180 million, significantly higher than Q3 results.

Negatives

• Aluminum shipments decreased sequentially from 175,741 tonnes in Q2 2025 to 162,442 tonnes in Q3 2025.
• Experienced higher losses on derivative instruments, with a net loss of $30.2 million in Q3 2025 compared to $15.6 million in Q2 2025.
• Impacted by unfavorable volume and sales mix.
• Faced unfavorable power price realization.
• Incurred higher other costs, including increased labor costs associated with the Mt. Holly restart project.
• Third-quarter results were impacted by $43.8 million of net exceptional items, including $20.7 million of unrealized losses on derivative instruments, $9.7 million of share-based compensation, a $6.2 million loss on extinguishment of debt, and $4.2 million related to equipment failures in Iceland (net of tax).

Risks

• Unrealized losses on derivative instruments, which amounted to $20.7 million in Q3 2025.
• Loss on extinguishment of debt totaling $6.2 million in Q3 2025.
• Equipment failures in Iceland, specifically at Grundartangi, which resulted in a $4.2 million impact (net of tax) in Q3 2025.
• Potential for unfavorable volume and sales mix to impact future results.
• Exposure to unfavorable power price realization.
• Increased labor costs associated with the Mt. Holly restart project could impact profitability.
• General market risks including global and local financial and economic conditions, aluminum market and prices, raw material prices and availability, and power prices and availability.

Future Outlook

The company expects fourth-quarter Adjusted EBITDA to range between $170 to $180 million, primarily driven by higher realized LME and Midwest regional premiums. U.S. billet premiums are also anticipated to increase by $110/MT for fiscal year 2026 volumes. The finalization of the Mt. Holly power agreement through 2031 is a critical step in enabling the restart of idled capacity, signaling future operational expansion.

Management Comments

• Net sales for the third quarter ended September 30, 2025, increased primarily due to an increase in realized Midwest premium, partially offset by unfavorable volume and sales mix and third-party alumina sales.
• The increase in net earnings during the third quarter of 2025 was mainly attributable to favorable realized Midwest Premium, despite higher losses on derivative instruments, unfavorable volume and sales mix, unfavorable power price realization, and increased labor costs associated with the Mt. Holly restart project.
• Adjusted EBITDA for the third quarter of 2025 increased mainly from favorable realized Midwest Premium, partially offset by unfavorable volume and sales mix and unfavorable power price realization.
• Fourth-quarter Adjusted EBITDA is expected to range between $170 to $180 million, primarily driven by higher realized LME and Midwest regional premiums.

Industry Context

The company's performance highlights the significant impact of regional premiums, such as the Midwest Premium, and LME prices on profitability within the aluminum smelting industry. Strategic moves like securing long-term power agreements for facilities like Mt. Holly are crucial for optimizing production costs and enabling capacity restarts, reflecting a broader industry focus on operational efficiency and managing energy inputs amidst fluctuating commodity markets and regional demand dynamics.

Comparison to Industry Standards

• NA

Related Party Transactions

• Net sales to related parties were $319.6 million in Q3 2025, compared to $367.6 million in Q2 2025.
• Due from affiliates was $15.7 million at September 30, 2025, down from $25.1 million at December 31, 2024.
• Due to affiliates was $77.1 million at September 30, 2025, down from $109.3 million at December 31, 2024.
• Interest expense affiliates was $1.5 million in Q3 2025, down from $1.9 million in Q2 2025.

Stakeholder Impact

• Shareholders are likely to experience a positive impact due to the significant improvement in net income, adjusted earnings per share, and a strong financial outlook, potentially leading to increased share value.
• Employees involved in the Mt. Holly restart project may see increased labor costs and potential job security or growth opportunities.
• Customers may face increased pricing for U.S. billet premiums, which are expected to rise by $110/MT for FY26 volumes.
• Creditors benefit from the improved liquidity position of $488.2 million and strong Adjusted EBITDA growth, enhancing the company's ability to meet its debt obligations.

Next Steps

• Hold a follow-up conference call on Thursday, November 6, 2025, at 5:00 p.m. Eastern Time.
• Proceed with the restart of idled capacity at Mt. Holly, enabled by the finalized power agreement through 2031.
• Capitalize on the expected increase in U.S. billet premiums for FY26 volumes.

Key Dates

Recommendation

The company demonstrated a significant financial turnaround in Q3 2025, moving from a net loss to a substantial profit, and showing strong growth in adjusted metrics. The positive momentum is expected to continue into Q4 2025 with a robust Adjusted EBITDA outlook. Strategic achievements like the Mt. Holly power agreement and the receipt of a $75 million 45X refund further strengthen the company's position and future prospects. These factors, combined with favorable market premiums, suggest a strong investment opportunity.

Keywords

Aluminum, Smelting, Earnings, Q3 2025, Financial Results, Midwest Premium, Mt. Holly, 45X Refund, EBITDA, CENX, Industrial Metals